The yellow glow of sidewalks and patios in the dark of night may seem almost unnatural ... in multiple colors and aggregate sizes, from sand to ½-inch stone. It can be used in several ...

In the last couple of weeks, some after-dark beachgoers have ... and algae that creates the glow. In this instance, a good Samaritan noticed the bioluminescent sand and gave Lokesh a heads-up ...

"Your footsteps will glow when walking on the wet sand or when you touch the water," they told her. "The light show is only after sunset and must be completely dark. We went at 10 p.m. and my kids ...